Square tube bird feeder



FIG. 1 is a front elevational view of the square tube bird feeder, according to my design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is an elevational view of the bird feeder taken from the right side of FIG. 1;

FIG. 4 is a rear elevational view of the bird feeder;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a cross sectional view taken along line 7--7 on FIG. 2; and,

FIG. 8 is a cross sectional view taken along line 8--8 on FIG. 2. 

The ornamental design for a square tube bird feeder, as shown and described. 